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<div align="justify"><span style="font-weight: bold; color: #003300;"><span style="font-weight: bold;"><span style="font-weight: bold;">Troba els components d'un vector unitari (de mòdul 1) perpendicular al vector</span> «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mover mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»v«/mi»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mfenced mathcolor=¨#003300¨»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»x_«/mi»«mn mathvariant=¨bold¨»1«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»y_«/mi»«mn mathvariant=¨bold¨»1«/mn»«/mrow»«/mfenced»«/mrow»«/mstyle»«/math» </span></span></div> <p><span style="font-weight: bold; color: #009900;"><br /></span><span style="font-weight: bold; color: #009900;"><span style="font-weight: bold; color: #009900;"><span style="color: #ff6600;">Format de la resposta:</span> </span></span>[2/3,-1/3]<span style="font-weight: bold; color: #009900;"><br /></span><span style="font-weight: bold; color: #009900;"><br /></span></p>
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Answer 1
Answer
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83.33333%
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66.66667%
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33.33333%
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16.66667%
14.28571%
12.5%
11.11111%
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Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 3
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
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100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p><span style="color: #000080; font-weight: bold;">Anomenem (x,y) el vector demanat</span></p> <p><span style="color: #0000ff; font-weight: bold;"><span style="color: #000080;">Si els vectors són perpendiculars, el seu <span class="nolink">producte escalar</span> és zero. </span><br /><span style="color: #000080;">Cal doncs resoldre: (#x_1) · x + (#y_1) · y = 0</span><br /></span></p>
Hint 2
Hint text
<p><span style="color: #000080;"><strong>Del producte escalar se'n dedueix que el vector és [x,#k1·x].</strong></span></p> <p><span style="color: #000080;"><strong>Calcula el seu mòdul, i divideix els components pel mòdul per tal que sigui unitari.</strong></span></p> <p><span style="color: #000080;" data-mce-mark="1"><strong>CAL SIMPLIFICAR</strong></span></p>
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Thursday, 23 August 2018, 4:18 PM
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Thursday, 23 August 2018, 4:18 PM
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